Backlight Features key backlight, enabling easy typing in low-light conditions Stand Function The tablet case can be converted to a supporting stand for hands-free movie watching and web surfing Premium Material The case is made from high-quality PU leather material, offering a delicate touch and premium feel Lightweight and Portable Designed to be lightweight and portable, making it easy to carry and use anywhere Touchpad Design The built-in touchpad allows you to navigate and control the cursor like a laptop, you dont need to touch the screen or buy an additional mouse. Easily edit documents, browse the web and build presentations with unparalleled speed Specifications Modulation mode GFSK Working voltage 3.0-4.2V Working current typing at a constant speed without backlight 2.5mA Standby current 0.5mA Sleep current lt0.04mA Charging current 200mA Standby time ge2000h Charging time 2.5 hours Working current with the brightest backlight about 120mA Continuous working time with the brightest backlight gt4h Backlight sleep time 30s Keyboard deep sleep time 10min Battery capacity 500mAh Sustainable working time without backlight 200h